Derivatives, Hedging Programs and Other Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Percentage of Expected Variable Priced Purchases of Metals Alloys and Energy

The following table summarizes the percentage of our expected variable priced purchases of metal alloys and energy for which we have executed derivative and/or physical delivery commitments in place to reduce price fluctuations for the next five years as of December 31, 2022:

	2023	2024	2025	2026	2027
Zinc	11%	—	—	—	—
Copper	19%	—	—	—	—
Magnesium	98%	67%	27%	—	—
Silicon	100%	—	—	—	—
Natural Gas	44%	42%	23%	19%	—
Electricity	56%	—	—	—	—

Summary of Derivative Positions

The following table summarizes our derivative positions at December 31, 2022:

Aluminum	Maturity Period	Notional Amount of Contracts (mmlbs)
Fixed price purchase contracts	January 2023 through February 2024		63.0
Midwest premium swap contracts1	January 2023 through February 2024		63.0

Alloying Metals	Maturity Period	Notional Amount of Contracts (mmlbs)
Fixed price purchase contracts	January 2023 through December 2023		1.2

Natural Gas	Maturity Period	Notional Amount of Contracts (mmbtu)
Fixed price purchase contracts	January 2023 through December 2025		3,480,000

Euros	Maturity Period	Notional Amount of Contracts (EUR)
Fixed price forward contracts	March 2023 through February 2024		908,441

British Pounds	Maturity Period	Notional Amount of Contracts (GBP)
Fixed price forward contracts	May 2023 through September 2023		202,128

1.Regional premiums represent the premium over the London Metal Exchange price for primary aluminum which is incurred on our purchases of primary aluminum.

Summary of Loss (Gain) Associated with Derivative Contracts

The following table summarizes the amount of loss (gain) included in our Statements of Consolidated (Loss) Income associated with all derivative contracts (in millions of dollars):

	Year Ended December 31,									Statements of Consolidated
	2022			2021			2020			(Loss) Income Classification
Total of income and expense line items presented in our Statements of Consolidated (Loss) Income in which the effects of hedges are recorded:
Cash flow hedges	$	3,180.2		$	2,348.1		$	941.3		Cost of products sold
Fair value hedges	n/a			n/a			$	52.2		Depreciation and amortization
Fair value hedges	n/a			n/a			$	(1.4	)	Other income (expense), net
Loss (gain) recognized in our Statements of Consolidated (Loss) Income related to cash flow hedges:
Aluminum	$	7.4		$	(35.2	)	$	13.7		Cost of products sold
Alloying Metals (effective hedges)		—			0.1			1.4		Cost of products sold
Alloying Metals (reclassification from AOCI due to forecasted transactions no longer probable of occurring)		—			—			0.8		Cost of products sold
Natural gas		(6.6	)		(2.1	)		1.3		Cost of products sold
Electricity		(11.3	)		(4.7	)		0.5		Cost of products sold
Total (gain) loss recognized in our Statements of Consolidated (Loss) Income related to cash flow hedges	$	(10.5	)	$	(41.9	)	$	17.7
Loss (gain) recognized in our Statements of Consolidated (Loss) Income related to fair value hedges:
Foreign exchange contracts	$	—		$	—		$	(0.1	)	Depreciation and amortization
Hedged item		—			—			0.1		Depreciation and amortization
Excluded component amortized from AOCI		—			—			0.4		Depreciation and amortization
Reclassification from AOCI related to early termination of firm commitment		—			—			0.6		Other income (expense), net
Net settlement related to early termination of forward contracts		—			—			(0.7	)	Other income (expense), net
Total loss recognized in our Statements of Consolidated (Loss) Income related to fair value hedges	$	—		$	—		$	0.3
(Gain) loss recognized in our Statements of Consolidated (Loss) Income related to non-designated hedges:
Alloying Metals – Realized (gain) loss	$	(0.5	)	$	(5.0	)	$	0.2		Cost of products sold
Alloying Metals – Unrealized loss (gain)		1.4			1.2			(3.5	)	Cost of products sold
Total loss (gain) recognized in our Statements of Consolidated (Loss) Income related to non-designated hedges	$	0.9		$	(3.8	)	$	(3.3	)

Schedule of Fair Value of Derivative Financial Instruments

The following table presents the fair value of our derivative financial instruments (in millions of dollars):

	As of December 31, 2022								As of December 31, 2021
	Assets		Liabilities			Net Amount			Assets		Liabilities			Net Amount
Cash Flow Hedges:
Aluminum –
Fixed price purchase contracts	$	0.7	$	(3.9	)	$	(3.2	)	$	12.2	$	(1.1	)	$	11.1
Midwest premium swap contracts		0.5		(1.4	)		(0.9	)		5.5		(0.1	)		5.4
Natural gas – Fixed price purchase contracts		4.7		—			4.7			3.0		(0.1	)		2.9
Electricity – Fixed price purchase contracts		—		—			—			4.4		(0.6	)		3.8
Total cash flow hedges		5.9		(5.3	)		0.6			25.1		(1.9	)		23.2
Non-Designated Hedges:
Alloying Metals – Fixed price purchase contracts		—		—			—			1.6		(0.1	)		1.5
Total non-designated hedges		—		—			—			1.6		(0.1	)		1.5
Total	$	5.9	$	(5.3	)	$	0.6		$	26.7	$	(2.0	)	$	24.7

The following table presents the total amounts of derivative assets and liabilities on our Consolidated Balance Sheets (in millions of dollars):

	As of December 31,
	2022			2021
Derivative assets:
Prepaid expenses and other current assets	$	3.6		$	25.0
Other assets		2.3			1.7
Total derivative assets	$	5.9		$	26.7
Derivative liabilities:
Other accrued liabilities	$	(5.3	)	$	(1.9	)
Long-term liabilities		—			(0.1	)
Total derivative liabilities	$	(5.3	)	$	(2.0	)